Environment Animals Wildlife Birds Female Galápagos birds flaunt their sexual partners. The males don't seem to mind. 'Many of these female boobies are really freewheeling it when it comes to sexual behavior.' Breakthroughs, discoveries, and DIY tips sent every weekday. A Galápagos bird species is stunning behaviorists with their "freewheeling" lifestyles.

How to Do It is Slate's sex advice column. Send it to Jessica and Rich here. I recently started casually online dating after leaving an abusive marriage, and it's been going great! There have been lots of nice guys, and we have had some sexy fun. That said, I've run into a weird situation that I'm almost certainly overthinking but am baffled by.

Humans aren't the only species whose mental state is affected when they lose their lover. Female cichlids, a type of monogamous fish that primarily dwells in South America, become depressed and lovesick when their mate is removed and they're placed with a non-preferred male partner, a new study has found. Researchers came to this conclusion after the female fish took longer to investigate boxes that either contained food or were empty, demonstrating symptoms of apathy. Female cichlids, a type of fish that primarily dwells in South America, become depressed and lovesick when their mate is removed and they're placed with a non-preferred male partner In what's believed to be a first-of-its-kind study, researchers say they've determined fish can form attachments to sexual partners. Through a series of cognitive tests, they found that female fish were more likely to take on a'glass half-full' mental state when they remained with their chosen partners.

If you could construct a sexual partner that was faithful, beautiful, and responsive to your every wish, would you? It's a question Aimee van Wynsberghe, co-founder of the Foundation for Responsible Robotics, thinks a lot about. In July 2017, she and fellow ethicist Noel Sharkey published a report (pdf), Our Sexual Future with Robots, that delved into the state of the robot sex industry and its future. Quartz met van Wynsberghe, a professor of robotics and ethics at the Delft University of Technology in the Netherlands, on a trip to London in a busy café, just before she headed to the Science Museum's Robots exhibition, to discuss how close humanity is to sex and even love with robots, and the risks involved. The interview is edited and condensed for clarity. Quartz: Your report mainly deals with "precursors" to sex robots. How are the dolls and devices that already exist connected to possible robots of the future?